<!doctype html>
<html lang="en">
<head>
	<meta charset="UTF-8">
	<title>宽高左顶</title>
	<style type="text/css">
	*{padding:0px;margin:0px; list-style:none; text-decoration: none;}
	#one {width:150px;height:40px;background: #eee;
		position:absolute; left:100px; top:30px;
		}
	</style>
</head>
<body>
	<div id='one'></div>
	<script type="text/javascript">
		
	</script>
</body>
</html>